Everything Satan did from the garden of Eden until the end of the book of revelation.
Serving (?) as chief music minister, chief of the angels of heaven.
Leading a rebellion against YAH.
Being jailed on planet earth with 1/3 of the angels of heaven.
[Presumably, gaining control of the human race, Roman empire, etc., including leadership of the temple in Jerusalem.]
Falling like lightning when the disciples perform their miracle mission.
Entering Judas and causing Judas to betray Yahshua.
Cooperating with the two beast powers to re-enslave planet earth.
Being defeated by Yahshua and locked in the abyss.